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Board of Medical Advisors

All Physicians serving on Signet's Medical Advisory Board do so on a Pro Bono Basis and receive no form of monetary compensation

Jonathan Brostoff, M.D.
MA, DM, DSc(med), FRCP, FRCPath
Graduate: Oxford University
 

Selected Vitae:
Professor Emeritus of Allergy and Environmental Health
King’s College School of Medicine, London
 
Council Member, British Society for Allergy and Clinical Immunology .
Council Member and Past President, Clinical Immunology and Allergy Section, Royal Society of Medicine 
Committee Member, British Society for Immunology
European Academy of Allergy and Clinical Immunology
Committee on Adverse Reactions to Foods
Committee on Standardization of In Vitro Tests for Allergy
Medical Advisor, United Kingdom Ministry of Agriculture
Food and Fisheries For Food and Chemical Sensitivity

Editorial Boards:
Clinical Reviews in Allergy
Clinics in Allergy and Immunology
Perspectives in ENT Immunology
Current Opinion in Immunology
Clinical Immunotherapeutics

All Books by Jonathan Brostoff, MD
(20 titles)
http://www.it-literature-portal.com/itl_content.php
/Author/Jonathan%20Brostoff/Content.html

 William T. Kniker, M.D.
 Private Allergy Practice
 Allergy, Asthma & Immunology Associates of South Texas, P.A.
 San Antonio, Texas
 Graduate: University of Texas
Selected Vitae:
Adjunct Professor of Environmental Sciences, University of Texas School of Public Health
Member of Board of Directors, Autism Treatment Centers of Texas
President, San Antonio Allergy Society 
Vice-President, San Antonio Allergy Society
Secretary Treasurer, San Antonio Allergy Society
Member of Chancellor’s Council of the University of Texas System
Vice-President and Board Member American In-Vitro Allergy/Immunology Society
Bella Schick Lectureship and Award, American College of Allergists
President, San Antonio Pediatric Society
Fellow Distinguished Award, American College of Allergists
Mu Delta Award, University of Texas Medical Branch
Outstanding Resident Award
Valedictorian, University of Texas Medical Branch

American College of Allergy, Asthma, and Immunology:
Chairperson of Adverse Reactions to Foods Committee, now a regular member
Contributing Editor, Annals of Allergy
Co-Chairman Literature Review Committee
Member, Editorial Board & Publications Committee Annals of Allergy
Member of the International Literature Review Committee
Chairman of the International Food Allergy Symposium Committee
Co-editor of Journal Club Allergy/Immunology: monthly feature of Annuals of Allergy
Chairman of the Training Director’s Committee
Member of the Scientific & Educational Council
Member of the annuals of Allergy Liaison Committee
Member of the Food Allergy Committee
Member International Food Allergy Symposium Committee

Other Professional Activities:
Scientific Member, Autism Research Center of South Texas
Consultant, Merieux Institute, Miami, FL
Consultant, Pharmacia Diagnostics, Piscataway, NJ
Consultant Immunologic Research, Lincoln Laboratories, Decatur, IL
Consultant in Allergy and Immunology, U.S. Army
Attending Immunologist, Wilford Hall, USAF Med Center
Fred H. Williams, M.D.
Private Practice
Gateway Gastroenterology
St. Louis, Missouri
Graduate: Johns Hopkins University School of Medicine
Selected Vitae:
Former Asst. Chairman, Dept. Of Gastroenterology, Wilford Hall USAF Medical Center, Lackland AFB, Texas
Former Asst. Professor of Medicine, Medical University of South Carolina, Charleston, South Carolina
Former Assistant Professor of Medicine, University of Texas, San Antonio, San Antonio, Texas
Former Assistant Professor of Medicine, Uniformed Services University of Health Sciences, Bethesda, Maryland

Memberships:
American College of Gastroenterology
American Gastroenterology Association
American Society of Gastrointestinal Endoscopy
American Association for the Study of Liver Diseases

Jeffrey F. Klein, M.D.  
Medical Director, Crossroads in Health
Private Family Practice
Westlake Village, California
Graduate: UCLA School of Medicine
Selected Vitae:
Assistant Clinical Professor of Medicine
UCLA School of Medicine
Fellow, American Academy of Family Physicians
Advisory Board, Ventura County Regional Occupational Program 
Former Physician Advisor, Medical Department/Utilization Review Blue Cross of California
Pharmacy and Infection Control Committee, Los Robles Medical Center
Former Member, Board of Directors, California Academy of Family Physicians
Editor, Drug and Disease Digest, Community Medical Group
Former Delegate, A.A.F.P. Congress of Delegates
Outstanding Scientific Paper Award, 41st Annual A.A.F.P Scientific Assembly
 W. Brad Wilson, M.D.
 Private Practice
 Internal Medicine

 Nacogdoches, Texas
 Graduate: University of Oklahoma College of Medicine
Selected Vitae:
Affiliate Faculty University of Texas Medical Branch, Galveston, Texas
Faculty Nacogdoches Memorial Hospital, Texas
Faculty Nacogdoches Medical Center, Nacogdoches, Texas
Physician Trainer: Migraine Treatment Protocols, Glaxo-Smith Kline Inc.

Memberships:
Texas Medical Association

Nacogdoches/San Augustine Medical Society

 Jeffrey D. Rettig, D.O.
 Private Practice
 Primary Care, Rural Health Practice
 Groesbeck, Texas
 Graduate: Kirksville College Osteopathic Medicine
Selected Vitae:
Faculty, University of North Texas, Health Science Center, Ft. Worth, Texas
Chief of Staff, Parkview Regional Hospital
County Health Officer, Limestone County, Texas
Medical Director, Spring Seasons Nursing Home
Medical Director, Windsor Manor Nursing Home

Memberships:
American Osteopathic Association
Texas Osteopathic Association
American College of Osteopathic Family Medicine
Texas College of Osteopathic Family Medicine

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